Text and Data Mining valid from 2019-05-10
Received: 15 February 2019
Accepted: 29 April 2019
First Online: 10 May 2019
Ethics approval and consent to participate
: The study was approved by the Medical Ethics Committee of Jingjiang People’s Hospital. Written consent was obtained from all participants.
: Not applicable.
: The authors declare that they have no competing interest.
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